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Home > MO Providers > Retina Specialists

Dr. Clayton Greer Scanlon, MD

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Specializes in: Vitreoretinal Diseases (Retina and Vitreous)

1224 Graham Road 3011
Florissant, MO 63031

(314) 839-1211

Dr. Clayton Greer Scanlon, MD is a retina specialist in Florissant, MO specializing in vitreoretinal diseases (retina and vitreous). Dr. Clayton Greer Scanlon, MD is affiliated with RETINA ASSOCIATES OF ST LOUIS, INC and EYE PHYSICIANS OF SAINT LOUIS INC.

Office Locations

1224 Graham Road 3011
Florissant, MO 63031

(314) 839-1211

(314) 893-8429

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Noteworthy Medicare Patient Procedures Performed by Dr. Clayton Greer Scanlon, MD in 2024

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 10%

By Volume:

eye procedures

SCODI of the posterior segment

By Affordability:

eye procedures

In 2024, among providers in related specialties within Missouri, Dr. Clayton Greer Scanlon, MD performed more eye procedures, and SCODI of the posterior segment (SCODI-P) procedures for Medicare patients than 90% of them and he also had a list price for eye procedures that was lower than the list prices billed to Medicare by 90% of them. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 25%

By Volume:

intravitreal drug injection

By Affordability:

intermediate eye exam

intraocular injection

intravitreal drug injection

intravitreal injection

In 2012, among providers in related specialties within Missouri, Dr. Clayton Greer Scanlon, MD performed more intravitreal drug injection procedures for Medicare patients than 75% of them and he also had a list price for eye exam, eye injection, eye tests, injections, intermediate eye exam, intraocular injection, intravitreal drug injection, and intravitreal injection that was lower than the list prices billed to Medicare by 75% of them. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Clayton Greer Scanlon, MD treated as a retina specialist in Florissant, MO during 2012 were eye procedures, injections and photocoagulation.

Volume of procedures performed by Dr. Clayton Greer Scanlon, MD for Medicare patients.

eye procedures	307
injections	296
photocoagulation	11

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Clayton Greer Scanlon, MD treated as a retina specialist in Florissant, MO during 2013 were eye procedures, injections and photocoagulation.

Volume of procedures performed by Dr. Clayton Greer Scanlon, MD for Medicare patients.

doctor visit	58
eye procedures	1649
injections	1080
photocoagulation	25

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Clayton Greer Scanlon, MD.

**Gender**
Male	200
Female	293

**Ethnicity**
Non-Hispanic White	362
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	175
From 75 to 84	157
85 and over	100
Less than 65	61

Conditions of Medicare patients treated by Dr. Clayton Greer Scanlon, MD in 2013

Hypertension	75
High Cholesterol	57
Stroke	6
Ischemic Heart Disease	39
Depression	11
Chronic Kidney Disease	28
Asthma	4
Osteoperosis	6
Atrial Fibrilation	14
Heart Failure	26
Chronic Obstructive Pulmonary Disease	11
Diabetes	49
Dementia	10
Cancer	7

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Clayton Greer Scanlon, MD treated as a retina specialist in Florissant, MO during 2014 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Clayton Greer Scanlon, MD for Medicare patients.

diagnostic imaging	11
doctor visit	155
eye procedures	1478
injections	510
ultrasound (sonogram)	11

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Clayton Greer Scanlon, MD.

**Gender**
Male	205
Female	293

**Ethnicity**
Non-Hispanic White	409
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	171
From 75 to 84	177
85 and over	117
Less than 65	33

Conditions of Medicare patients treated by Dr. Clayton Greer Scanlon, MD in 2014

Hypertension	75
High Cholesterol	57
Stroke	6
Ischemic Heart Disease	38
Depression	15
Chronic Kidney Disease	26
Asthma	4
Osteoperosis	7
Atrial Fibrilation	12
Heart Failure	22
Chronic Obstructive Pulmonary Disease	14
Diabetes	42
Dementia	10
Cancer	10

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Clayton Greer Scanlon, MD treated as a retina specialist in Florissant, MO during 2015 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Clayton Greer Scanlon, MD for Medicare patients.

diagnostic imaging	20
doctor visit	214
eye procedures	3309
injections	580
ultrasound (sonogram)	20

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Clayton Greer Scanlon, MD.

**Gender**
Male	386
Female	570

**Ethnicity**
Non-Hispanic White	842
Black	84
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	376
From 75 to 84	296
85 and over	222
Less than 65	62

Conditions of Medicare patients treated by Dr. Clayton Greer Scanlon, MD in 2015

Hypertension	75
High Cholesterol	60
Stroke	6
Ischemic Heart Disease	40
Depression	19
Chronic Kidney Disease	36
Asthma	13
Osteoperosis	8
Atrial Fibrilation	12
Heart Failure	22
Chronic Obstructive Pulmonary Disease	17
Diabetes	38
Dementia	12
Cancer	12

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Clayton Greer Scanlon, MD treated as a retina specialist in Florissant, MO during 2016 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Clayton Greer Scanlon, MD for Medicare patients.

diagnostic imaging	14
doctor visit	224
eye procedures	3702
injections	600
ultrasound (sonogram)	14

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Clayton Greer Scanlon, MD.

**Gender**
Male	228
Female	371

**Ethnicity**
Non-Hispanic White	536
Black	40
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	229
From 75 to 84	195
85 and over	145
Less than 65	30

Conditions of Medicare patients treated by Dr. Clayton Greer Scanlon, MD in 2016

Hypertension	73
High Cholesterol	56
Stroke	5
Ischemic Heart Disease	36
Depression	20
Chronic Kidney Disease	39
Asthma	15
Osteoperosis	7
Atrial Fibrilation	13
Heart Failure	22
Chronic Obstructive Pulmonary Disease	16
Diabetes	37
Dementia	9
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Clayton Greer Scanlon, MD treated as a retina specialist in Florissant, MO during 2017 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Clayton Greer Scanlon, MD for Medicare patients.

diagnostic imaging	27
doctor visit	229
eye procedures	4460
injections	857
ultrasound (sonogram)	27

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Clayton Greer Scanlon, MD.

**Gender**
Male	238
Female	376

**Ethnicity**
Non-Hispanic White	553
Black	43
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	227
From 75 to 84	198
85 and over	150
Less than 65	39

Conditions of Medicare patients treated by Dr. Clayton Greer Scanlon, MD in 2017

Hypertension	72
High Cholesterol	49
Stroke	6
Ischemic Heart Disease	32
Depression	21
Chronic Kidney Disease	43
Asthma	6
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	21
Chronic Obstructive Pulmonary Disease	12
Diabetes	36
Dementia	12
Cancer	12

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Clayton Greer Scanlon, MD treated as a retina specialist in Florissant, MO during 2018 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Clayton Greer Scanlon, MD for Medicare patients.

diagnostic imaging	27
doctor visit	139
eye procedures	4448
injections	783
photocoagulation	19
ultrasound (sonogram)	27

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Clayton Greer Scanlon, MD.

**Gender**
Male	255
Female	384

**Ethnicity**
Non-Hispanic White	566
Black	50
Hispanic	0
Asian	0
Other	11
Native American	0

**Age**
From 65 to 74	227
From 75 to 84	199
85 and over	176
Less than 65	37

Conditions of Medicare patients treated by Dr. Clayton Greer Scanlon, MD in 2018

Hypertension	75
High Cholesterol	61
Stroke	5
Ischemic Heart Disease	37
Depression	23
Chronic Kidney Disease	46
Asthma	5
Osteoperosis	9
Atrial Fibrilation	13
Heart Failure	25
Chronic Obstructive Pulmonary Disease	13
Diabetes	41
Dementia	15
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Clayton Greer Scanlon, MD treated as a retina specialist in Florissant, MO during 2019 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Clayton Greer Scanlon, MD for Medicare patients.

diagnostic imaging	18
doctor visit	151
eye procedures	5149
injections	975
ultrasound (sonogram)	18

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Clayton Greer Scanlon, MD.

**Gender**
Male	271
Female	420

**Ethnicity**
Non-Hispanic White	616
Black	50
Hispanic	0
Asian	0
Other	13
Native American	0

**Age**
From 65 to 74	244
From 75 to 84	243
85 and over	167
Less than 65	37

Conditions of Medicare patients treated by Dr. Clayton Greer Scanlon, MD in 2019

Hypertension	75
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	35
Depression	24
Chronic Kidney Disease	45
Asthma	4
Osteoperosis	9
Atrial Fibrilation	14
Heart Failure	22
Chronic Obstructive Pulmonary Disease	13
Diabetes	37
Dementia	14
Cancer	12

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Clayton Greer Scanlon, MD treated as a retina specialist in Florissant, MO during 2020 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Clayton Greer Scanlon, MD for Medicare patients.

diagnostic imaging	16
doctor visit	85
eye procedures	4214
injections	951
ultrasound (sonogram)	16

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Clayton Greer Scanlon, MD.

**Gender**
Male	235
Female	342

**Ethnicity**
Non-Hispanic White	523
Black	33
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	233
From 75 to 84	190
85 and over	131
Less than 65	23

Conditions of Medicare patients treated by Dr. Clayton Greer Scanlon, MD in 2020

Hypertension	74
High Cholesterol	60
Stroke	4
Ischemic Heart Disease	34
Depression	24
Chronic Kidney Disease	42
Asthma	5
Osteoperosis	8
Atrial Fibrilation	14
Heart Failure	21
Chronic Obstructive Pulmonary Disease	14
Diabetes	37
Dementia	11
Cancer	14

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Clayton Greer Scanlon, MD treated as a retina specialist in Florissant, MO during 2021 were eye procedures and injections.

Volume of procedures performed by Dr. Clayton Greer Scanlon, MD for Medicare patients.

doctor visit	98
eye procedures	4162
injections	934

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Clayton Greer Scanlon, MD.

**Gender**
Male	216
Female	323

**Ethnicity**
Non-Hispanic White	495
Black	26
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	202
From 75 to 84	186
85 and over	122
Less than 65	29

Conditions of Medicare patients treated by Dr. Clayton Greer Scanlon, MD in 2021

Hypertension	75
High Cholesterol	67
Stroke	5
Ischemic Heart Disease	36
Depression	26
Chronic Kidney Disease	40
Asthma	4
Osteoperosis	10
Atrial Fibrilation	15
Heart Failure	21
Chronic Obstructive Pulmonary Disease	14
Diabetes	35
Dementia	12
Cancer	15

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Clayton Greer Scanlon, MD treated as a retina specialist in Florissant, MO during 2022 were eye procedures and injections.

Volume of procedures performed by Dr. Clayton Greer Scanlon, MD for Medicare patients.

doctor visit	86
eye procedures	3836
injections	905

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Clayton Greer Scanlon, MD.

**Gender**
Male	205
Female	322

**Ethnicity**
Non-Hispanic White	493
Black	17
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	179
From 75 to 84	196
85 and over	128
Less than 65	24

Conditions of Medicare patients treated by Dr. Clayton Greer Scanlon, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	30
Depression	24
Chronic Kidney Disease	34
Asthma	8
Osteoperosis	16
Atrial Fibrilation	21
Heart Failure	19
Chronic Obstructive Pulmonary Disease	18
Diabetes	34
Dementia	9
Cancer	17

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Clayton Greer Scanlon, MD treated as a retina specialist in Florissant, MO during 2023 were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

Volume of procedures performed by Dr. Clayton Greer Scanlon, MD for Medicare patients.

diagnostic imaging	21
doctor visit	127
eye procedures	3932
injections	928
ultrasound (sonogram)	21

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Clayton Greer Scanlon, MD.

**Gender**
Male	223
Female	336

**Ethnicity**
Non-Hispanic White	508
Black	30
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	201
From 75 to 84	211
85 and over	124
Less than 65	23

Conditions of Medicare patients treated by Dr. Clayton Greer Scanlon, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	30
Depression	21
Chronic Kidney Disease	34
Asthma	9
Osteoperosis	15
Atrial Fibrilation	20
Heart Failure	20
Chronic Obstructive Pulmonary Disease	16
Diabetes	34
Dementia	9
Cancer	18

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Clayton Greer Scanlon, MD treated as a retina specialist in Florissant, MO during 2024 were eye procedures and injections.

Volume of procedures performed by Dr. Clayton Greer Scanlon, MD for Medicare patients.

doctor visit	132
eye procedures	4216
injections	1172

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Clayton Greer Scanlon, MD.

**Gender**
Male	208
Female	328

**Ethnicity**
Non-Hispanic White	497
Black	18
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	196
From 75 to 84	202
85 and over	118
Less than 65	20

Conditions of Medicare patients treated by Dr. Clayton Greer Scanlon, MD in 2024

Hypertension	75
High Cholesterol	75
Stroke	8
Ischemic Heart Disease	31
Depression	24
Chronic Kidney Disease	37
Asthma	8
Osteoperosis	15
Atrial Fibrilation	21
Heart Failure	21
Chronic Obstructive Pulmonary Disease	15
Diabetes	35
Dementia	7
Cancer	20

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Clayton Greer Scanlon, MD for Medicare patients.

The highest averages for the top procedures that Dr. Clayton Greer Scanlon, MD treated as a retina specialist in Florissant, MO were eye procedures, injections, diagnostic imaging and ultrasound (sonogram).

diagnostic imaging	19
doctor visit	141
eye procedures	3450
injections	813
photocoagulation	18
ultrasound (sonogram)	19

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Clayton Greer Scanlon, MD.

**Gender**
Male	220
Female	335

**Ethnicity**
Black / African American	30
Asian / Pacific Islander	0
Non-Hispanic White	492
Hispanic	0
Native American / Alaskan Native	0
Other	2

**Age**
75 to 84	188
85 and over	130
Less than 65	32
65 to 74	204

Average of Total of Conditions of Medicare patients treated by Dr. Clayton Greer Scanlon, MD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Clayton Greer Scanlon, MD treated were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	68
High Cholesterol	58
Stroke	5
Ischemic Heart Disease	32
Depression	19
Chronic Kidney Disease	34
Asthma	6
Osteoporosis	9
Heart Failure	20
Chronic Obstructive Pulmonary Disease	13
Diabetes	35
Atrial Fibrillation	14
Dementia	10
Cancer	12

Education & Training

He has a state license in Missouri.

Licensed In: Missouri

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Clayton Greer Scanlon, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Genentech USA, Inc.	$1,315 LUCENTIS $818	VABYSMO $452	SUSVIMO $24	$21
Alcon Research Ltd	$1,224 $1,224
Alcon Laboratories Inc	$1,224 $1,224
Regeneron Healthcare Solutions, Inc.	$1,065 Eylea $393	EYLEA HD $302	EYLEA aflibercept injection $291	EYLEA (aflibercept) Injection $79
Allergan Inc.	$872 OZURDEX $698	COMBIGAN $118	BOTOX $24	LUMIGAN $12	NATRELLE IMPLANTS $10	Other $10
Other	$3,144 Izervay $460	OZURDEX $457	EYLEA aflibercept injection $341	SYFOVRE $329	ILUVIEN $255	Other $1,303

**Types of Payments**
Food and Beverage	$6,628
Travel and Lodging	$2,014
Education	$201

Biography

Dr. Clayton Scanlon practices vitreoretinal diseases (retina and vitreous). Dr. Scanlon graduated from the University of Toledo College of Medicine. He completed his residency training at a hospital affiliated with St. Louis University (SLU). He is professionally affiliated with St. Luke's.

Select Year:

Dr. Clayton Greer Scanlon, MD

Office Locations

Noteworthy Medicare Patient Procedures Performed by Dr. Clayton Greer Scanlon, MD in 2024

By Volume:

By Affordability:

By Volume:

By Affordability:

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clayton Greer Scanlon, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clayton Greer Scanlon, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clayton Greer Scanlon, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clayton Greer Scanlon, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clayton Greer Scanlon, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clayton Greer Scanlon, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clayton Greer Scanlon, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clayton Greer Scanlon, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clayton Greer Scanlon, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clayton Greer Scanlon, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clayton Greer Scanlon, MD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Clayton Greer Scanlon, MD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. Clayton Greer Scanlon, MD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Biography

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